Introduction; Main Features Of The Ud51 - Control Techniques UD51 User Manual

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Introduction

1.1

Main features of the UD51

1.1.1 Applications
The UD51 Second encoder small option module has inputs that allow a
second encoder to be connected to a Unidrive. The module also has
simulated-encoder outputs.
The UD51 operates with standard quadrature encoders having up to 5000
lines per revolution, allowing a maximum operating frequency of 250 kHz, or
from frequency and direction (F/D) signals up to 500kHz.
When used in a drive operating In either the Closed-loop Vector or Closed-
loop Servo operating mode, the UD51 can perform the following:
Give speed and position feedback for position control or digital lock
Accept frequency and direction reference input signals
1.1.2 Simulated encoder outputs
The UD51 has simulated encoder outputs which normally use the second
encoder as the source, but can be re configured to use the main encoder
(Encoder 1) connected to the 15-way D-type on the drive as the source.
These outputs produce quadrature AB signals corresponding to the line
counts from the source encoder. Also, these outputs can be configured for
frequency and direction signals.
1.1.3 Installation
The UD51 must be fitted in the small option module bay of the Unidrive.
All connections to the drive are made by a multi-way connector. Connections
from external equipment are made by a plug-in 16-way screw-terminal block
on the UD51.
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UD51 User Guide
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